import { BodyInterface, ConstraintInterface, ConstraintClamping } from '../types';
export declare abstract class ConstraintBase implements ConstraintInterface {
    readonly bodyA: Readonly<BodyInterface>;
    readonly bodyB: Readonly<BodyInterface>;
    private readonly cache;
    getCache(id: 0 | 1): number;
    setCache(id: 0 | 1, value: number): void;
    abstract getJacobian(out: Float32Array): void;
    abstract getPushFactor(dt: number, strength: number): number;
    abstract getClamping(): ConstraintClamping;
}